Home / 5,720.16-8,564.64-4,329.29

Finding the Fourth Proportional to 5,720.16, 8,564.64 and 4,329.29

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Solution

The fourth proportional to 5,720.16, 8,564.64 and 4,329.29 is: 6,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.16 : 8,564.64 = 4,329.29 : x
  2. Step 2: Convert to fraction form
    5,720.16/8,564.64 = 4,329.29/x
  3. Step 3: Cross multiply
    5,720.16x = 8,564.64 × 4,329.29
  4. Step 4: Simplify right side
    5,720.16x = 37,078,831.72
  5. Step 5: Solve for x
    x = 37,078,831.72/5,720.16
  6. Step 6: Final answer
    x = 6,482.13

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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.