Home / 5,283.12-7,290.64-2,925.24

Finding the Fourth Proportional to 5,283.12, 7,290.64 and 2,925.24

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Solution

The fourth proportional to 5,283.12, 7,290.64 and 2,925.24 is: 4,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.12 : 7,290.64 = 2,925.24 : x
  2. Step 2: Convert to fraction form
    5,283.12/7,290.64 = 2,925.24/x
  3. Step 3: Cross multiply
    5,283.12x = 7,290.64 × 2,925.24
  4. Step 4: Simplify right side
    5,283.12x = 21,326,871.75
  5. Step 5: Solve for x
    x = 21,326,871.75/5,283.12
  6. Step 6: Final answer
    x = 4,036.79

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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.