Home / 7,029.12-9,701.64-4,374.48

Finding the Fourth Proportional to 7,029.12, 9,701.64 and 4,374.48

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Solution

The fourth proportional to 7,029.12, 9,701.64 and 4,374.48 is: 6,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.12 : 9,701.64 = 4,374.48 : x
  2. Step 2: Convert to fraction form
    7,029.12/9,701.64 = 4,374.48/x
  3. Step 3: Cross multiply
    7,029.12x = 9,701.64 × 4,374.48
  4. Step 4: Simplify right side
    7,029.12x = 42,439,630.15
  5. Step 5: Solve for x
    x = 42,439,630.15/7,029.12
  6. Step 6: Final answer
    x = 6,037.69

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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.