Home / 7,503.40-10,355.16-4,146.04

Finding the Fourth Proportional to 7,503.40, 10,355.16 and 4,146.04

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Solution

The fourth proportional to 7,503.40, 10,355.16 and 4,146.04 is: 5,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.40 : 10,355.16 = 4,146.04 : x
  2. Step 2: Convert to fraction form
    7,503.40/10,355.16 = 4,146.04/x
  3. Step 3: Cross multiply
    7,503.40x = 10,355.16 × 4,146.04
  4. Step 4: Simplify right side
    7,503.40x = 42,932,907.57
  5. Step 5: Solve for x
    x = 42,932,907.57/7,503.40
  6. Step 6: Final answer
    x = 5,721.79

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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.