Home / 7,340.34-10,125.92-4,647.02

Finding the Fourth Proportional to 7,340.34, 10,125.92 and 4,647.02

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Solution

The fourth proportional to 7,340.34, 10,125.92 and 4,647.02 is: 6,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.34 : 10,125.92 = 4,647.02 : x
  2. Step 2: Convert to fraction form
    7,340.34/10,125.92 = 4,647.02/x
  3. Step 3: Cross multiply
    7,340.34x = 10,125.92 × 4,647.02
  4. Step 4: Simplify right side
    7,340.34x = 47,055,278.89
  5. Step 5: Solve for x
    x = 47,055,278.89/7,340.34
  6. Step 6: Final answer
    x = 6,410.50

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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.