Home / 5,117.72-7,055.30-4,324.32

Finding the Fourth Proportional to 5,117.72, 7,055.30 and 4,324.32

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Solution

The fourth proportional to 5,117.72, 7,055.30 and 4,324.32 is: 5,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.72 : 7,055.30 = 4,324.32 : x
  2. Step 2: Convert to fraction form
    5,117.72/7,055.30 = 4,324.32/x
  3. Step 3: Cross multiply
    5,117.72x = 7,055.30 × 4,324.32
  4. Step 4: Simplify right side
    5,117.72x = 30,509,385.71
  5. Step 5: Solve for x
    x = 30,509,385.71/5,117.72
  6. Step 6: Final answer
    x = 5,961.52

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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.