Home / 7,031.40-10,547.10-3,532.20

Finding the Fourth Proportional to 7,031.40, 10,547.10 and 3,532.20

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Solution

The fourth proportional to 7,031.40, 10,547.10 and 3,532.20 is: 5,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.40 : 10,547.10 = 3,532.20 : x
  2. Step 2: Convert to fraction form
    7,031.40/10,547.10 = 3,532.20/x
  3. Step 3: Cross multiply
    7,031.40x = 10,547.10 × 3,532.20
  4. Step 4: Simplify right side
    7,031.40x = 37,254,466.62
  5. Step 5: Solve for x
    x = 37,254,466.62/7,031.40
  6. Step 6: Final answer
    x = 5,298.30

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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.