Home / 4,547.86-6,276.28-2,779.18

Finding the Fourth Proportional to 4,547.86, 6,276.28 and 2,779.18

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Solution

The fourth proportional to 4,547.86, 6,276.28 and 2,779.18 is: 3,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.86 : 6,276.28 = 2,779.18 : x
  2. Step 2: Convert to fraction form
    4,547.86/6,276.28 = 2,779.18/x
  3. Step 3: Cross multiply
    4,547.86x = 6,276.28 × 2,779.18
  4. Step 4: Simplify right side
    4,547.86x = 17,442,911.85
  5. Step 5: Solve for x
    x = 17,442,911.85/4,547.86
  6. Step 6: Final answer
    x = 3,835.41

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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.