Home / 6,554.90-9,045.71-3,570.72

Finding the Fourth Proportional to 6,554.90, 9,045.71 and 3,570.72

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Solution

The fourth proportional to 6,554.90, 9,045.71 and 3,570.72 is: 4,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.90 : 9,045.71 = 3,570.72 : x
  2. Step 2: Convert to fraction form
    6,554.90/9,045.71 = 3,570.72/x
  3. Step 3: Cross multiply
    6,554.90x = 9,045.71 × 3,570.72
  4. Step 4: Simplify right side
    6,554.90x = 32,299,679.76
  5. Step 5: Solve for x
    x = 32,299,679.76/6,554.90
  6. Step 6: Final answer
    x = 4,927.57

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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.