Home / 4,774.32-7,160.40-1,853.28

Finding the Fourth Proportional to 4,774.32, 7,160.40 and 1,853.28

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Solution

The fourth proportional to 4,774.32, 7,160.40 and 1,853.28 is: 2,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.32 : 7,160.40 = 1,853.28 : x
  2. Step 2: Convert to fraction form
    4,774.32/7,160.40 = 1,853.28/x
  3. Step 3: Cross multiply
    4,774.32x = 7,160.40 × 1,853.28
  4. Step 4: Simplify right side
    4,774.32x = 13,270,226.11
  5. Step 5: Solve for x
    x = 13,270,226.11/4,774.32
  6. Step 6: Final answer
    x = 2,779.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.