Home / 5,646.16-8,431.70-5,585.14

Finding the Fourth Proportional to 5,646.16, 8,431.70 and 5,585.14

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Solution

The fourth proportional to 5,646.16, 8,431.70 and 5,585.14 is: 8,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.16 : 8,431.70 = 5,585.14 : x
  2. Step 2: Convert to fraction form
    5,646.16/8,431.70 = 5,585.14/x
  3. Step 3: Cross multiply
    5,646.16x = 8,431.70 × 5,585.14
  4. Step 4: Simplify right side
    5,646.16x = 47,092,224.94
  5. Step 5: Solve for x
    x = 47,092,224.94/5,646.16
  6. Step 6: Final answer
    x = 8,340.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.