Home / 7,270.40-10,030.52-4,124.76

Finding the Fourth Proportional to 7,270.40, 10,030.52 and 4,124.76

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Solution

The fourth proportional to 7,270.40, 10,030.52 and 4,124.76 is: 5,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.40 : 10,030.52 = 4,124.76 : x
  2. Step 2: Convert to fraction form
    7,270.40/10,030.52 = 4,124.76/x
  3. Step 3: Cross multiply
    7,270.40x = 10,030.52 × 4,124.76
  4. Step 4: Simplify right side
    7,270.40x = 41,373,487.68
  5. Step 5: Solve for x
    x = 41,373,487.68/7,270.40
  6. Step 6: Final answer
    x = 5,690.68

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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.