Home / 5,125.75-7,055.45-3,707.13

Finding the Fourth Proportional to 5,125.75, 7,055.45 and 3,707.13

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Solution

The fourth proportional to 5,125.75, 7,055.45 and 3,707.13 is: 5,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.75 : 7,055.45 = 3,707.13 : x
  2. Step 2: Convert to fraction form
    5,125.75/7,055.45 = 3,707.13/x
  3. Step 3: Cross multiply
    5,125.75x = 7,055.45 × 3,707.13
  4. Step 4: Simplify right side
    5,125.75x = 26,155,492.18
  5. Step 5: Solve for x
    x = 26,155,492.18/5,125.75
  6. Step 6: Final answer
    x = 5,102.77

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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.