Home / 5,085.19-7,622.10-4,501.72

Finding the Fourth Proportional to 5,085.19, 7,622.10 and 4,501.72

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Solution

The fourth proportional to 5,085.19, 7,622.10 and 4,501.72 is: 6,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.19 : 7,622.10 = 4,501.72 : x
  2. Step 2: Convert to fraction form
    5,085.19/7,622.10 = 4,501.72/x
  3. Step 3: Cross multiply
    5,085.19x = 7,622.10 × 4,501.72
  4. Step 4: Simplify right side
    5,085.19x = 34,312,560.01
  5. Step 5: Solve for x
    x = 34,312,560.01/5,085.19
  6. Step 6: Final answer
    x = 6,747.55

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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.