Home / 5,472.18-7,555.14-4,210.92

Finding the Fourth Proportional to 5,472.18, 7,555.14 and 4,210.92

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Solution

The fourth proportional to 5,472.18, 7,555.14 and 4,210.92 is: 5,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.18 : 7,555.14 = 4,210.92 : x
  2. Step 2: Convert to fraction form
    5,472.18/7,555.14 = 4,210.92/x
  3. Step 3: Cross multiply
    5,472.18x = 7,555.14 × 4,210.92
  4. Step 4: Simplify right side
    5,472.18x = 31,814,090.13
  5. Step 5: Solve for x
    x = 31,814,090.13/5,472.18
  6. Step 6: Final answer
    x = 5,813.79

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Half scale
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Double scale
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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.