Home / 2,916.42-4,026.51-1,798.40

Finding the Fourth Proportional to 2,916.42, 4,026.51 and 1,798.40

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Solution

The fourth proportional to 2,916.42, 4,026.51 and 1,798.40 is: 2,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.42 : 4,026.51 = 1,798.40 : x
  2. Step 2: Convert to fraction form
    2,916.42/4,026.51 = 1,798.40/x
  3. Step 3: Cross multiply
    2,916.42x = 4,026.51 × 1,798.40
  4. Step 4: Simplify right side
    2,916.42x = 7,241,255.45
  5. Step 5: Solve for x
    x = 7,241,255.45/2,916.42
  6. Step 6: Final answer
    x = 2,482.93

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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.