Home / 5,474.08-7,536.72-4,775.20

Finding the Fourth Proportional to 5,474.08, 7,536.72 and 4,775.20

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Solution

The fourth proportional to 5,474.08, 7,536.72 and 4,775.20 is: 6,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.08 : 7,536.72 = 4,775.20 : x
  2. Step 2: Convert to fraction form
    5,474.08/7,536.72 = 4,775.20/x
  3. Step 3: Cross multiply
    5,474.08x = 7,536.72 × 4,775.20
  4. Step 4: Simplify right side
    5,474.08x = 35,989,345.34
  5. Step 5: Solve for x
    x = 35,989,345.34/5,474.08
  6. Step 6: Final answer
    x = 6,574.50

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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.