Home / 1,661.02-2,291.70-962.26

Finding the Fourth Proportional to 1,661.02, 2,291.70 and 962.26

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Solution

The fourth proportional to 1,661.02, 2,291.70 and 962.26 is: 1,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.02 : 2,291.70 = 962.26 : x
  2. Step 2: Convert to fraction form
    1,661.02/2,291.70 = 962.26/x
  3. Step 3: Cross multiply
    1,661.02x = 2,291.70 × 962.26
  4. Step 4: Simplify right side
    1,661.02x = 2,205,211.24
  5. Step 5: Solve for x
    x = 2,205,211.24/1,661.02
  6. Step 6: Final answer
    x = 1,327.62

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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.