Home / 7,374.80-10,180.68-5,280.08

Finding the Fourth Proportional to 7,374.80, 10,180.68 and 5,280.08

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Solution

The fourth proportional to 7,374.80, 10,180.68 and 5,280.08 is: 7,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.80 : 10,180.68 = 5,280.08 : x
  2. Step 2: Convert to fraction form
    7,374.80/10,180.68 = 5,280.08/x
  3. Step 3: Cross multiply
    7,374.80x = 10,180.68 × 5,280.08
  4. Step 4: Simplify right side
    7,374.80x = 53,754,804.85
  5. Step 5: Solve for x
    x = 53,754,804.85/7,374.80
  6. Step 6: Final answer
    x = 7,288.98

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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.