Home / 7,557.76-10,424.32-5,205.60

Finding the Fourth Proportional to 7,557.76, 10,424.32 and 5,205.60

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Solution

The fourth proportional to 7,557.76, 10,424.32 and 5,205.60 is: 7,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.76 : 10,424.32 = 5,205.60 : x
  2. Step 2: Convert to fraction form
    7,557.76/10,424.32 = 5,205.60/x
  3. Step 3: Cross multiply
    7,557.76x = 10,424.32 × 5,205.60
  4. Step 4: Simplify right side
    7,557.76x = 54,264,840.19
  5. Step 5: Solve for x
    x = 54,264,840.19/7,557.76
  6. Step 6: Final answer
    x = 7,180.02

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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.