Home / 2,097.95-2,895.40-1,312.25

Finding the Fourth Proportional to 2,097.95, 2,895.40 and 1,312.25

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Solution

The fourth proportional to 2,097.95, 2,895.40 and 1,312.25 is: 1,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.95 : 2,895.40 = 1,312.25 : x
  2. Step 2: Convert to fraction form
    2,097.95/2,895.40 = 1,312.25/x
  3. Step 3: Cross multiply
    2,097.95x = 2,895.40 × 1,312.25
  4. Step 4: Simplify right side
    2,097.95x = 3,799,497.53
  5. Step 5: Solve for x
    x = 3,799,497.53/2,097.95
  6. Step 6: Final answer
    x = 1,811.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.