Home / 5,434.19-7,499.42-4,253.21

Finding the Fourth Proportional to 5,434.19, 7,499.42 and 4,253.21

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Solution

The fourth proportional to 5,434.19, 7,499.42 and 4,253.21 is: 5,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.19 : 7,499.42 = 4,253.21 : x
  2. Step 2: Convert to fraction form
    5,434.19/7,499.42 = 4,253.21/x
  3. Step 3: Cross multiply
    5,434.19x = 7,499.42 × 4,253.21
  4. Step 4: Simplify right side
    5,434.19x = 31,896,549.38
  5. Step 5: Solve for x
    x = 31,896,549.38/5,434.19
  6. Step 6: Final answer
    x = 5,869.61

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Half scale
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Double scale
Find fourth proportional to 5,435.19, 7,500.80 and 4,254.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.