Home / 5,731.10-8,603.57-5,440.47

Finding the Fourth Proportional to 5,731.10, 8,603.57 and 5,440.47

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Solution

The fourth proportional to 5,731.10, 8,603.57 and 5,440.47 is: 8,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.10 : 8,603.57 = 5,440.47 : x
  2. Step 2: Convert to fraction form
    5,731.10/8,603.57 = 5,440.47/x
  3. Step 3: Cross multiply
    5,731.10x = 8,603.57 × 5,440.47
  4. Step 4: Simplify right side
    5,731.10x = 46,807,437.28
  5. Step 5: Solve for x
    x = 46,807,437.28/5,731.10
  6. Step 6: Final answer
    x = 8,167.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.