Home / 1,886.49-2,602.95-1,140.30

Finding the Fourth Proportional to 1,886.49, 2,602.95 and 1,140.30

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Solution

The fourth proportional to 1,886.49, 2,602.95 and 1,140.30 is: 1,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.49 : 2,602.95 = 1,140.30 : x
  2. Step 2: Convert to fraction form
    1,886.49/2,602.95 = 1,140.30/x
  3. Step 3: Cross multiply
    1,886.49x = 2,602.95 × 1,140.30
  4. Step 4: Simplify right side
    1,886.49x = 2,968,143.89
  5. Step 5: Solve for x
    x = 2,968,143.89/1,886.49
  6. Step 6: Final answer
    x = 1,573.37

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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.