Home / 3,458.10-4,772.12-1,886.19

Finding the Fourth Proportional to 3,458.10, 4,772.12 and 1,886.19

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Solution

The fourth proportional to 3,458.10, 4,772.12 and 1,886.19 is: 2,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.10 : 4,772.12 = 1,886.19 : x
  2. Step 2: Convert to fraction form
    3,458.10/4,772.12 = 1,886.19/x
  3. Step 3: Cross multiply
    3,458.10x = 4,772.12 × 1,886.19
  4. Step 4: Simplify right side
    3,458.10x = 9,001,125.02
  5. Step 5: Solve for x
    x = 9,001,125.02/3,458.10
  6. Step 6: Final answer
    x = 2,602.91

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Half scale
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Double scale
Find fourth proportional to 3,459.10, 4,773.50 and 1,887.19
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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.