Home / 7,031.50-10,547.35-1,837.38

Finding the Fourth Proportional to 7,031.50, 10,547.35 and 1,837.38

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Solution

The fourth proportional to 7,031.50, 10,547.35 and 1,837.38 is: 2,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.50 : 10,547.35 = 1,837.38 : x
  2. Step 2: Convert to fraction form
    7,031.50/10,547.35 = 1,837.38/x
  3. Step 3: Cross multiply
    7,031.50x = 10,547.35 × 1,837.38
  4. Step 4: Simplify right side
    7,031.50x = 19,379,441.80
  5. Step 5: Solve for x
    x = 19,379,441.80/7,031.50
  6. Step 6: Final answer
    x = 2,756.09

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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.