Home / 1,525.89-2,106.51-966.93

Finding the Fourth Proportional to 1,525.89, 2,106.51 and 966.93

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Solution

The fourth proportional to 1,525.89, 2,106.51 and 966.93 is: 1,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.89 : 2,106.51 = 966.93 : x
  2. Step 2: Convert to fraction form
    1,525.89/2,106.51 = 966.93/x
  3. Step 3: Cross multiply
    1,525.89x = 2,106.51 × 966.93
  4. Step 4: Simplify right side
    1,525.89x = 2,036,847.71
  5. Step 5: Solve for x
    x = 2,036,847.71/1,525.89
  6. Step 6: Final answer
    x = 1,334.86

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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.