Home / 7,155.35-9,871.52-4,464.98

Finding the Fourth Proportional to 7,155.35, 9,871.52 and 4,464.98

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Solution

The fourth proportional to 7,155.35, 9,871.52 and 4,464.98 is: 6,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.35 : 9,871.52 = 4,464.98 : x
  2. Step 2: Convert to fraction form
    7,155.35/9,871.52 = 4,464.98/x
  3. Step 3: Cross multiply
    7,155.35x = 9,871.52 × 4,464.98
  4. Step 4: Simplify right side
    7,155.35x = 44,076,139.37
  5. Step 5: Solve for x
    x = 44,076,139.37/7,155.35
  6. Step 6: Final answer
    x = 6,159.89

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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.