Home / 7,904.85-10,909.74-4,547.58

Finding the Fourth Proportional to 7,904.85, 10,909.74 and 4,547.58

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Solution

The fourth proportional to 7,904.85, 10,909.74 and 4,547.58 is: 6,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.85 : 10,909.74 = 4,547.58 : x
  2. Step 2: Convert to fraction form
    7,904.85/10,909.74 = 4,547.58/x
  3. Step 3: Cross multiply
    7,904.85x = 10,909.74 × 4,547.58
  4. Step 4: Simplify right side
    7,904.85x = 49,612,915.43
  5. Step 5: Solve for x
    x = 49,612,915.43/7,904.85
  6. Step 6: Final answer
    x = 6,276.26

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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.