Home / 1,666.02-2,299.14-967.80

Finding the Fourth Proportional to 1,666.02, 2,299.14 and 967.80

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Solution

The fourth proportional to 1,666.02, 2,299.14 and 967.80 is: 1,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.02 : 2,299.14 = 967.80 : x
  2. Step 2: Convert to fraction form
    1,666.02/2,299.14 = 967.80/x
  3. Step 3: Cross multiply
    1,666.02x = 2,299.14 × 967.80
  4. Step 4: Simplify right side
    1,666.02x = 2,225,107.69
  5. Step 5: Solve for x
    x = 2,225,107.69/1,666.02
  6. Step 6: Final answer
    x = 1,335.58

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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.