Home / 1,895.56-2,615.76-1,056.38

Finding the Fourth Proportional to 1,895.56, 2,615.76 and 1,056.38

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Solution

The fourth proportional to 1,895.56, 2,615.76 and 1,056.38 is: 1,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.56 : 2,615.76 = 1,056.38 : x
  2. Step 2: Convert to fraction form
    1,895.56/2,615.76 = 1,056.38/x
  3. Step 3: Cross multiply
    1,895.56x = 2,615.76 × 1,056.38
  4. Step 4: Simplify right side
    1,895.56x = 2,763,236.55
  5. Step 5: Solve for x
    x = 2,763,236.55/1,895.56
  6. Step 6: Final answer
    x = 1,457.74

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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.