Home / 7,265.20-10,030.78-5,583.56

Finding the Fourth Proportional to 7,265.20, 10,030.78 and 5,583.56

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Solution

The fourth proportional to 7,265.20, 10,030.78 and 5,583.56 is: 7,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.20 : 10,030.78 = 5,583.56 : x
  2. Step 2: Convert to fraction form
    7,265.20/10,030.78 = 5,583.56/x
  3. Step 3: Cross multiply
    7,265.20x = 10,030.78 × 5,583.56
  4. Step 4: Simplify right side
    7,265.20x = 56,007,461.98
  5. Step 5: Solve for x
    x = 56,007,461.98/7,265.20
  6. Step 6: Final answer
    x = 7,709.00

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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.